Cutting tool



FIG. 1 is a perspective view of the cutting tool;

FIG. 2 is a front view of the cutting tool; the rear view is a mirror image;

FIG. 3 is a top view of the cutting tool; the bottom view is a mirror image;

FIG. 4 is an enlarged left side view of the cutting tool; and,

FIG. 5 is an enlarged right side view of the cutting tool.

The broken lines depict portions of the cutting tool that form no part of the claimed design. 

CLAIM The ornamental design for a cutting tool, as shown and described. 